EP1862231B1 - Procédé pour sous-diviser et ralentir des produits longs laminés à chaud - Google Patents

Procédé pour sous-diviser et ralentir des produits longs laminés à chaud Download PDF

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Publication number
EP1862231B1
EP1862231B1 EP07106629A EP07106629A EP1862231B1 EP 1862231 B1 EP1862231 B1 EP 1862231B1 EP 07106629 A EP07106629 A EP 07106629A EP 07106629 A EP07106629 A EP 07106629A EP 1862231 B1 EP1862231 B1 EP 1862231B1
Authority
EP
European Patent Office
Prior art keywords
product
decelerating
rolls
delivery path
pinch rolls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07106629A
Other languages
German (de)
English (en)
Other versions
EP1862231A1 (fr
Inventor
T. Michael Shore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Industry Inc
Original Assignee
Siemens Industry Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Industry Inc filed Critical Siemens Industry Inc
Priority to PL07106629T priority Critical patent/PL1862231T3/pl
Publication of EP1862231A1 publication Critical patent/EP1862231A1/fr
Application granted granted Critical
Publication of EP1862231B1 publication Critical patent/EP1862231B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B21B39/082—Bridle devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/006—Pinch roll sets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B21B2015/0021—Cutting or shearing the product in the rolling direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/003—Transfer to bed

Definitions

  • This invention relates generally to rolling mills delivering hot rolled long products to cooling beds, and is concerned in particular with a method of subdividing and decelerating such products prior to their arrival at the cooling bed.
  • long products refers to bars and rods, and the like.
  • GB-A-2 118 875 discloses pinch rolls to decelerate long products.
  • the invention provides a method of subdividing and decelerating a hot rolled long product advancing along a delivery path from a rolling mill to a cooling bed, said method comprising the steps of: (a) arranging a shear and a decelerator in succession along said delivery path, said decelerator comprising a set of driven pinch rolls preceded by a plurality of deflector rolls; (b) contacting a lead segment of said product with said pinch rolls operating at an initial speed at least equal to that of the advancing product; (c) actuating said shear to separate said lead segment from the remainder of said product; and (d) decelerating said lead segment by: (i) reducing the speed of said pinch rolls; and (ii) actuating said deflector rolls to deflect said product segment from said delivery path into a sinuous path.
  • steps (b), (c), and (d) are performed sequentially.
  • steps (d)(i) and (d)(ii) are performed simultaneously.
  • said initial speed is higher than that of the advancing product.
  • said deflector rolls are freewheeling and staggered on opposite sides of said delivery path.
  • the present invention stems from the discovery that although the use of either pinch rolls or staggered rolls, by themselves, can lead to problems, their application in concert to the products can provide highly effective deceleration without deforming the products or marring their surfaces.
  • an exemplary mill layout comprising a cooling bed 10 arranged to receive long products being delivered along path P d from the last roll stand 11.
  • a shear 12 serves to subdivide the products, and a switch 13 directs the severed product segments alternatively to paths P d-1 and P d-2 leading to the cooling bed's run on table 10'. From here, the products are shifted laterally across the cooling bed to receiving equipment (not shown) for further processing, e.g., cutting to customer lengths, bundling, etc.
  • Decelerators 14 in accordance with the present invention are positioned along paths P d-1 and P d-2 between the switch 13 and the cooling bed 10.
  • each decelerator 14 includes a set of driven pinch rolls 16 preceded by a plurality of deflector rolls 18 staggered on opposite sides of the delivery path P.
  • the deflector rolls 18 are preferably freewheeling, and are adjustable between inoperative positions removed from the delivery path, as shown in Figures 2A and 2B , and operative positions projecting into the delivery path, as shown in Figure 2C . Adjustment of the deflector rolls 18 between their operative and inoperative positions may be effected by any known mechanism, a nonlimiting example being that disclosed in U.S. Patent 4,884,429 , the description of which is herein incorporate by reference.
  • the pinch rolls 16 are adjustable between open positions as shown in Figure 2A , and closed positions as shown in Figure 2B .
  • the pinch rolls may be driven and adjusted between their open and closed positions by mechanisms known to those skilled in the art, one nonlimiting example being that disclosed in U.S. Patent No. 6,920,772 , the description of which is also herein incorporated by reference.
  • a hot rolled long product will exit the last roll stand 12 at a velocity V 1 of between about 14 to 40 m/sec., depending on the size of the product being rolled.
  • V 1 a velocity of between about 14 to 40 m/sec., depending on the size of the product being rolled.
  • the leading segment is then contacted by the driven pinch rolls 16, with the pinch rolls operating at an initial speed at least equal to and preferable slightly faster than the exiting velocity V 1 of the product.
  • speed means the rotational velocity of the pinch roll surfaces in contact with the product.
  • the leading product segment is then severed from the remainder of the product by actuation of the shear 13, and the trailing segment of the product is directed by switch 13 to path P d-2 .
  • the pinch rolls 16 are decelerated to a speed V 2 less than V 1 , and the deflector rolls 18 are moved into the path P d to deflect the product into a sinuous path P s .
  • the increased length of the sinuous path P s acts in concert with the reduced speed of the pinch rolls to effect deceleration of the product to the slower velocity V 2 .
  • the force with which the product is gripped between the pinch rolls can be beneficially reduced, thus avoiding product deformation and also avoiding or at least beneficially lessening any degree of marking the surface of the product.
  • the trailing product segment traveling along path Pd-2 is similarly acted upon and slowed by the other decelerator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Confectionery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Seeds, Soups, And Other Foods (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Claims (5)

  1. Procédé de subdivision et de décélération d'un produit long laminé à chaud, avançant le long d'un trajet ( Pd ) d'avance d'un laminoir ( 11 ) à un refroidisseur ( 10 ), le procédé comprenant les stades dans desquels :
    ( a ) on dispose une cisaille ( 12 ) et un décélérateur ( 14 ) en succession le long du trajet d'avance, le décélérateur comprenant un jeu de rouleaux ( 16 ) entraînés, précédé d'une pluralité de rouleaux ( 18 ) de déviation ;
    ( b ) on met un segment en tête du produit en contact avec les rouleaux ( 16 ) entraînés, fonctionnant à une vitesse initiale au moins égale à celle du produit qui avance ;
    ( c ) on actionne la cisaille ( 12 ), pour séparer le segment en tête du reste du produit ; et
    ( d ) on décélère le segment en tête
    caractérisé en ce que
    on décélère le segment en tête en :
    ( i ) réduisant la vitesse des rouleaux ( 16 ) entraînés ; et
    ( ii ) actionnant les rouleaux ( 18 ) de déviation, pour dévier le segment de produit du trajet ( Pd ) d'avance et lui faire prendre un trajet ( Ps ) sinueux.
  2. Procédé suivant la revendication 1, dans lequel on effectue les stades ( b ), ( c ) et ( d ) en séquence.
  3. Procédé suivant la revendication 2, dans lequel on effectue les stades ( d ) ( i ) et ( d ) ( ii ) simultanément.
  4. Procédé suivant la revendication 1, 2 ou 3, dans lequel la vitesse initiale est plus grande que celle du produit qui avance.
  5. Procédé suivant la revendication 1, dans lequel les rouleaux de déviation sont à roue libre et mis en quinconce sur des côtés opposés du trajet d'avance.
EP07106629A 2006-05-30 2007-04-20 Procédé pour sous-diviser et ralentir des produits longs laminés à chaud Not-in-force EP1862231B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07106629T PL1862231T3 (pl) 2006-05-30 2007-04-20 Metoda podziału i spowalniania walcowanych na gorąco długich wyrobów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/442,929 US7207202B1 (en) 2006-05-30 2006-05-30 Method of subdividing and decelerating hot rolled long products

Publications (2)

Publication Number Publication Date
EP1862231A1 EP1862231A1 (fr) 2007-12-05
EP1862231B1 true EP1862231B1 (fr) 2010-11-17

Family

ID=37950652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07106629A Not-in-force EP1862231B1 (fr) 2006-05-30 2007-04-20 Procédé pour sous-diviser et ralentir des produits longs laminés à chaud

Country Status (14)

Country Link
US (1) US7207202B1 (fr)
EP (1) EP1862231B1 (fr)
JP (1) JP4350141B2 (fr)
KR (1) KR100865198B1 (fr)
CN (1) CN100537072C (fr)
AT (1) ATE488310T1 (fr)
BR (1) BRPI0702530A2 (fr)
CA (1) CA2582710C (fr)
DE (1) DE602007010536D1 (fr)
ES (1) ES2356684T3 (fr)
MX (1) MX2007006375A (fr)
PL (1) PL1862231T3 (fr)
RU (1) RU2338610C1 (fr)
TW (1) TWI314480B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105750331B (zh) * 2016-04-19 2018-04-17 藤县正钻门业有限公司 一种开平机交替剪板系统
EP3892394B1 (fr) * 2020-04-08 2024-08-14 ABB Schweiz AG Procédé et système de commande pour la fourniture de matériel roulant à un lit de refroidissement
CN115138690A (zh) * 2021-03-31 2022-10-04 宝山钢铁股份有限公司 一种热轧精整线上夹送辊的辊面磨损定量控制方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1323185A (en) 1971-03-05 1973-07-11 Metal Box Co Ltd Treating strip metal
DE2537188C3 (de) 1975-08-21 1978-05-18 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg Verfahren und Vorrichtung zur Herstellung von Warmband mit verbesserten Qualitätseigenschaften
US4261190A (en) 1979-07-30 1981-04-14 General Electric Company Flatness control in hot strip mill
US4413494A (en) 1981-02-13 1983-11-08 Morgan Construction Company Pinch roll system for vertical laying heads
US4478064A (en) 1982-03-04 1984-10-23 Olin Corporation Modifications to a cooperative rolling system for increasing _maximum attainable reduction per pass
GB2118875A (en) * 1982-04-16 1983-11-09 Hille Eng Co Ltd Rod or bar deceleration
DE3234160C2 (de) * 1982-09-15 1986-10-23 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg Verfahren und Warmbandstraße zum Herstellen von dünnem Metallband, insbesondere Metall-Breitband, aus Warmband
JPS62166007A (ja) 1986-01-16 1987-07-22 Sumitomo Metal Ind Ltd 熱間圧延線材の口付方法
GB8627279D0 (en) 1986-11-14 1986-12-17 Wilson Technology Ian Decelerator apparatus
US5423200A (en) * 1993-09-14 1995-06-13 Morgan Construction Company Rolling mill material handling system
KR100254772B1 (ko) * 1996-01-08 2000-05-01 아사무라 타카싯 열간 스트립 압연 밀
US6128937A (en) 1997-09-30 2000-10-10 Sms Schloemann-Siemag Aktiengesellschaft Method and installation for shaping metal strip in a hot strip rolling mill
AUPQ436399A0 (en) 1999-12-01 1999-12-23 Bhp Steel (Jla) Pty Limited Hot rolling thin strip
KR20010112149A (ko) * 2001-10-30 2001-12-20 유병섭 이형 선재의 교정 및 절단장치
CA2448784C (fr) * 2002-12-11 2009-01-20 Morgan Construction Company Systeme et methode d'acheminement de barres
US7069759B2 (en) * 2003-11-05 2006-07-04 Morgan Construction Company Bar delivery system and method
US6920772B1 (en) 2003-02-12 2005-07-26 Morgan Construction Company Pinch roll unit
US7021103B2 (en) 2003-05-14 2006-04-04 Morgan Construction Company Method and apparatus for decelerating and temporarily accumulating a hot rolled product

Also Published As

Publication number Publication date
MX2007006375A (es) 2008-12-12
US7207202B1 (en) 2007-04-24
EP1862231A1 (fr) 2007-12-05
CN100537072C (zh) 2009-09-09
DE602007010536D1 (de) 2010-12-30
TW200808468A (en) 2008-02-16
CA2582710A1 (fr) 2007-11-30
JP4350141B2 (ja) 2009-10-21
BRPI0702530A2 (pt) 2009-01-20
RU2338610C1 (ru) 2008-11-20
PL1862231T3 (pl) 2011-04-29
JP2007319932A (ja) 2007-12-13
KR100865198B1 (ko) 2008-10-23
KR20070115662A (ko) 2007-12-06
TWI314480B (en) 2009-09-11
CA2582710C (fr) 2009-09-08
ATE488310T1 (de) 2010-12-15
CN101081407A (zh) 2007-12-05
ES2356684T3 (es) 2011-04-12

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